1918960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 60

約数和(自身を含む): 4796568

約数和(自身を除く): 2877608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 289, 332, 340, 415, 578, 664, 680, 830, 1156, 1328, 1360, 1411, 1445, 1660, 2312, 2822, 2890, 3320, 4624, 5644, 5780, 6640, 7055, 11288, 11560, 14110, 22576, 23120, 23987, 28220, 47974, 56440, 95948, 112880, 119935, 191896, 239870, 383792, 479740, 959480, 1918960]

約数ペア:

[(1, 1918960), (2, 959480), (4, 479740), (5, 383792), (8, 239870), (10, 191896), (16, 119935), (17, 112880), (20, 95948), (34, 56440), (40, 47974), (68, 28220), (80, 23987), (83, 23120), (85, 22576), (136, 14110), (166, 11560), (170, 11288), (272, 7055), (289, 6640), (332, 5780), (340, 5644), (415, 4624), (578, 3320), (664, 2890), (680, 2822), (830, 2312), (1156, 1660), (1328, 1445), (1360, 1411)]